== sanity test 101b: check stride-io mode read-ahead =========================================================================== 16:50:42 (1741899042)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.451503s, 18.5793MB/s
Read-ahead success for size 8192

0.481503s, 17.4217MB/s
Read-ahead success for size 16384

0.449869s, 18.6468MB/s
Read-ahead success for size 32768

0.414128s, 20.2561MB/s
Read-ahead success for size 65536

0.392462s, 21.3743MB/s
Read-ahead success for size 131072

0.330602s, 25.3737MB/s
Read-ahead success for size 262144

0.305561s, 27.4531MB/s
Read-ahead success for size 524288

0.296708s, 28.2723MB/s
Read-ahead success for size 1048576